QoL/src/main/java/xyz/etztech/qol/commands/WorldInfoCommand.java

package xyz.etztech.qol.commands;

import org.apache.commons.lang.StringUtils;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import xyz.etztech.qol.EtzTechUtil;
import xyz.etztech.qol.Lang;
import xyz.etztech.qol.QoL;

import java.util.*;

public class WorldInfoCommand implements CommandExecutor {

    QoL plugin;

    public WorldInfoCommand(QoL plugin) {
        this.plugin = plugin;
        plugin.getCommand("worldinfo").setExecutor(this);
    }

    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        if (!sender.hasPermission("qol.worldinfo")) {
            EtzTechUtil.sms(sender, Lang.NO_PERMISSION.getDef());
            return true;
        }

        Map<String, List<String>> worlds = new HashMap<>();

        for (World world : Bukkit.getServer().getWorlds()) {
            for (Player player : world.getPlayers()) {
                if (worlds.containsKey(world.getName())) {
                    worlds.get(world.getName()).add(getName(world.getName(), player));
                } else {
                    worlds.put(world.getName(), new ArrayList<>(Arrays.asList(getName(world.getName(), player))));
                }
            }
        }

        StringBuilder message = new StringBuilder(ChatColor.GOLD + "===== World Info =====");
        for (String world : worlds.keySet()) {
            message.append("\n").append(ChatColor.YELLOW).append(world).append(": ").append(StringUtils.join(worlds.get(world).toArray(), ChatColor.YELLOW + ", "));
        }
        sender.sendMessage(message.toString());

        return true;
    }

    private String getName(String world, Player player) {
        int range = plugin.getConfig().getInt("worldinfo." + world, 0);
        ChatColor color = ChatColor.GREEN;
        if (range > 0 && (player.getLocation().getBlockX() > range || player.getLocation().getBlockZ() > range)) {
            color = ChatColor.RED;
        }
        return color + player.getName();
    }
}